From: Jim Procter <jprocter@issues.jalview.org>
Date: Thu, 4 Aug 2016 19:54:57 +0000 (+0100)
Subject: JAL-2154 test for CDS->protein map
X-Git-Tag: Release_2_10_0~47^2~4^2~43^2~61
X-Git-Url: http://source.jalview.org/gitweb/?a=commitdiff_plain;h=34abca821ae5c3f9220bfc246c3055e3ba9f39c3;p=jalview.git

JAL-2154 test for CDS->protein map
---

diff --git a/src/jalview/util/MapList.java b/src/jalview/util/MapList.java
index cae968e..dc5bee8 100644
--- a/src/jalview/util/MapList.java
+++ b/src/jalview/util/MapList.java
@@ -1103,4 +1103,14 @@ public class MapList
     return forwardStrand;
   }
 
+  /**
+   * 
+   * @return true if from, or to is a three to 1 mapping
+   */
+  public boolean isTripletMap()
+  {
+    return (toRatio == 3 && fromRatio == 1)
+            || (fromRatio == 3 && toRatio == 1);
+  }
+
 }